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Adding transparency support

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This commit is contained in:
Dynamitos
2024-06-20 21:57:26 +02:00
parent 2dc9d57c71
commit bd63b14260
27 changed files with 578 additions and 282 deletions
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src/Engine/Graphics/RenderPass/BasePass.cpp
+115 -1
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@@ -75,6 +75,9 @@ BasePass::~BasePass() {}
void BasePass::beginFrame(const Component::Camera& cam) {
RenderPass::beginFrame(cam);
cameraPos = cam.getCameraPosition();
cameraForward = cam.getCameraForward();
lightCullingLayout->reset();
opaqueCulling = lightCullingLayout->allocateDescriptorSet();
transparentCulling = lightCullingLayout->allocateDescriptorSet();
@@ -95,7 +98,9 @@ void BasePass::render() {
Gfx::ShaderPermutation permutation = graphics->getShaderCompiler()->getTemplate("BasePass");
permutation.setDepthCulling(true); // always use the culling info
permutation.setPositionOnly(false);
Array<VertexData::TransparentDraw> transparentData;
for (VertexData* vertexData : VertexData::getList()) {
transparentData.addAll(vertexData->getTransparentData());
vertexData->getInstanceDataSet()->updateBuffer(6, cullingBuffer);
vertexData->getInstanceDataSet()->writeChanges();
permutation.setVertexData(vertexData->getTypeName());
@@ -120,6 +125,9 @@ void BasePass::render() {
const Gfx::ShaderCollection* collection = graphics->getShaderCompiler()->findShaders(id);
assert(collection != nullptr);
bool twoSided = materialData.material->isTwoSided();
if (graphics->supportMeshShading()) {
Gfx::MeshPipelineCreateInfo pipelineInfo = {
.taskShader = collection->taskShader,
@@ -131,6 +139,10 @@ void BasePass::render() {
{
.samples = viewport->getSamples(),
},
.rasterizationState =
{
.cullMode = Gfx::SeCullModeFlags(twoSided ? Gfx::SE_CULL_MODE_NONE : Gfx::SE_CULL_MODE_BACK_BIT),
},
.depthStencilState =
{
.depthCompareOp = Gfx::SE_COMPARE_OP_GREATER_OR_EQUAL,
@@ -152,6 +164,10 @@ void BasePass::render() {
{
.samples = viewport->getSamples(),
},
.rasterizationState =
{
.cullMode = Gfx::SeCullModeFlags(twoSided ? Gfx::SE_CULL_MODE_NONE : Gfx::SE_CULL_MODE_BACK_BIT),
},
.depthStencilState =
{
.depthCompareOp = Gfx::SE_COMPARE_OP_GREATER_OR_EQUAL,
@@ -184,8 +200,106 @@ void BasePass::render() {
commands.add(std::move(command));
}
}
graphics->executeCommands(std::move(commands));
Map<float, VertexData::TransparentDraw> sortedDraws;
for (const auto& t : transparentData) {
Vector toCenter = Vector(t.worldPosition) - cameraPos;
float dist = glm::length(toCenter) * glm::dot(glm::normalize(toCenter), cameraForward);
sortedDraws[dist] = t;
}
Gfx::ORenderCommand command = graphics->createRenderCommand("TransparentDraw");
command->setViewport(viewport);
for (const auto& [_, t] : sortedDraws) {
permutation.setVertexData(t.vertexData->getTypeName());
permutation.setMaterial(t.matInst->getBaseMaterial()->getName());
Gfx::PermutationId id(permutation);
const Gfx::ShaderCollection* collection = graphics->getShaderCompiler()->findShaders(id);
assert(collection != nullptr);
bool twoSided = t.matInst->getBaseMaterial()->isTwoSided();
if (graphics->supportMeshShading()) {
Gfx::MeshPipelineCreateInfo pipelineInfo = {
.taskShader = collection->taskShader,
.meshShader = collection->meshShader,
.fragmentShader = collection->fragmentShader,
.renderPass = renderPass,
.pipelineLayout = collection->pipelineLayout,
.multisampleState =
{
.samples = viewport->getSamples(),
},
.rasterizationState =
{
.cullMode = Gfx::SeCullModeFlags(twoSided ? Gfx::SE_CULL_MODE_NONE : Gfx::SE_CULL_MODE_BACK_BIT),
},
.depthStencilState =
{
.depthCompareOp = Gfx::SE_COMPARE_OP_GREATER_OR_EQUAL,
},
.colorBlend =
{
.attachmentCount = 1,
.blendAttachments =
{
Gfx::ColorBlendState::BlendAttachment{
.blendEnable = true,
},
},
},
};
Gfx::PGraphicsPipeline pipeline = graphics->createGraphicsPipeline(std::move(pipelineInfo));
command->bindPipeline(pipeline);
} else {
Gfx::LegacyPipelineCreateInfo pipelineInfo = {
.vertexShader = collection->vertexShader,
.fragmentShader = collection->fragmentShader,
.renderPass = renderPass,
.pipelineLayout = collection->pipelineLayout,
.multisampleState =
{
.samples = viewport->getSamples(),
},
.rasterizationState =
{
.cullMode = Gfx::SeCullModeFlags(twoSided ? Gfx::SE_CULL_MODE_NONE : Gfx::SE_CULL_MODE_BACK_BIT),
},
.depthStencilState =
{
.depthCompareOp = Gfx::SE_COMPARE_OP_GREATER_OR_EQUAL,
},
.colorBlend =
{
.attachmentCount = 1,
.blendAttachments =
{
Gfx::ColorBlendState::BlendAttachment{
.blendEnable = true,
},
},
},
};
Gfx::PGraphicsPipeline pipeline = graphics->createGraphicsPipeline(std::move(pipelineInfo));
command->bindPipeline(pipeline);
}
command->bindDescriptor({viewParamsSet, t.vertexData->getVertexDataSet(), t.vertexData->getInstanceDataSet(),
scene->getLightEnvironment()->getDescriptorSet(), Material::getDescriptorSet(), transparentCulling});
command->pushConstants(Gfx::SE_SHADER_STAGE_TASK_BIT_EXT | Gfx::SE_SHADER_STAGE_VERTEX_BIT | Gfx::SE_SHADER_STAGE_FRAGMENT_BIT, 0,
sizeof(VertexData::DrawCallOffsets), &t.offsets);
if (graphics->supportMeshShading()) {
command->drawMesh(1, 1, 1);
} else {
// command->bindIndexBuffer(t.vertexData->getIndexBuffer());
// for (const auto& meshData : drawCall.instanceMeshData) {
// // all meshlets of a mesh share the same indices offset
// command->drawIndexed(meshData.numIndices, 1, meshData.firstIndex, vertexData->getIndicesOffset(meshData.meshletOffset),
// 0);
// }
}
}
graphics->endRenderPass();
query->endQuery();
}